An efficient algorithm and its implementation for armstrong’sindirect method of conversion of narrowband fm to widebandfm: a valuable tool for communication system designers | [Proceedings of Pakistan Academy of Sciences • 2014]

Author(s):

1. Sahibzada Majid Ashraf: Department of Electrical Engineering, University of Engineering and Technology,Peshawar, Pakistan

2. Gulzar Ahmad: Department of Electrical Engineering, University of Engineering and Technology,Peshawar, Pakistan

3. Syed Riaz ul Hassnain: Department of Electronics Engineering,University of Engineering and Technology,Abbottabad Campus, Pakistan

4. Haseeb Zafar: Department of Electrical Engineering, University of Engineering and Technology,Peshawar, Pakistan

5. Tariqullah Jan: Department of Electrical Engineering, University of Engineering and Technology,Peshawar, Pakistan

6. Talha Khan: Department of Electronics Engineering,University of Engineering and Technology,Abbottabad Campus, Pakistan

7. Mazhar Sher: Department of Electronics Engineering,University of Engineering and Technology,Abbottabad Campus, Pakistan

8. Syed Waqar Shah: Department of Electrical Engineering, University of Engineering and Technology,Peshawar, Pakistan

Abstract:

A novel algorithm is presented to calculate the most appropriate frequency multipliers for theconversion of NBFM to WBFM. This algorithm makes the communication system designer job easier andcalculates most accurately the best possible frequency multiplying factors in least possible time. The carrierfrequency and frequency deviation of NBFM signal can be increased by the application of these frequencymultipliers. The algorithm is implemented in C++ programming language and is applied to various practicaldesign problems. The best possible results are generated with least possible errors. The algorithm can beused for either frequency Doublers or frequency Triplers or frequency Quintuplers or 1000* frequency orcombination of them like frequency Doublers and Triplers, frequency Doublers and Quintuplers, frequencyTriplers and frequency Quintuplers, etc

Page(s): 193-199

DOI: DOI not available

Published: Journal: Proceedings of Pakistan Academy of Sciences, Volume: 51, Issue: 3, Year: 2014

Keywords:

Narrowband frequency modulation , wideband frequency modulation , communication system , Algorithm

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